Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

UV–Vis Spectrometers01:14

UV–Vis Spectrometers

The absorbance of UV and visible (UV–visible) radiations is measured using a UV–visible spectrophotometer. Deuterium lamps, which emit UV radiation, and tungsten lamps, which produce radiation in the visible region, are used as light sources in UV–visible spectrophotometers. A monochromator or prism is used for diffraction grating, i.e., to split the incoming radiation into different wavelengths. A system of slits is used to focus the desired wavelength on the sample cell. Samples for...
Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview01:02

Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview

Ultraviolet–visible (UV–visible or UV–Vis) spectroscopy is an analytical technique that investigates the interaction between matter and UV–Vis light within the electromagnetic spectrum. This method is widely used for its versatility, simplicity, and relatively quick data acquisition, making it valuable for both qualitative and quantitative analysis. When UV–Vis radiation passes through a material,  molecules absorb light depending on the energy required for electronic transitions. As a result...
UV–Vis Spectroscopy of Conjugated Systems01:32

UV–Vis Spectroscopy of Conjugated Systems

Organic compounds with conjugated double bonds show strong absorption features in the UV–visible region of the electromagnetic spectrum attributed to π → π* electronic excitations. Generally, a UV–vis absorption spectrum is recorded as a plot of absorbance vs wavelength. The wavelength of maximum absorbance, which manifests as a peak in the absorption spectrum, is denoted as λmax.
One of the factors influencing λmax is the extent of conjugation in the...
IR Spectrometers01:25

IR Spectrometers

There are two main infrared (IR) spectrophotometers: dispersive IR spectrometers and Fourier transform infrared (FTIR) spectrometers. In a dispersive IR spectrometer, a beam of infrared radiation produced by a hot wire is divided into two parallel equal-intensity beams using mirrors. One beam passes through the sample, while another is a reference beam. The beams then move through the monochromator, which separates the radiations into a continuous spectrum of different frequencies. The...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Lack of human-relevant adversity of MOSH retained in tissues: Analysis of adversity and implications for regulatory assessment.

Regulatory toxicology and pharmacology : RTP·2022
Same author

[Feasibility of a psychoeducation group for patients with anorexia nervosa: An open study].

L'Encephale·2021
Same author

Acquired factor V inhibitor: Success of steroids in a patient with primary sclerosing cholangitis, ulcero haemorragic rectocolitis, biological Biermer's disease.

Transfusion clinique et biologique : journal de la Societe francaise de transfusion sanguine·2021
Same author

Measuring the biological impact of drilling waste on the deep seafloor: An experimental challenge.

Journal of hazardous materials·2020
Same author

Diagnosis and immediate treatment of acquired von Willebrand syndrome revealed by recurrent cerebral hemorrhage.

Transfusion clinique et biologique : journal de la Societe francaise de transfusion sanguine·2019
Same author

Assessing chronic fish health: An application to a case of an acute exposure to chemically treated crude oil.

Aquatic toxicology (Amsterdam, Netherlands)·2016

Related Experiment Video

Updated: Jun 11, 2026

High Speed Sub-GHz Spectrometer for Brillouin Scattering Analysis
13:31

High Speed Sub-GHz Spectrometer for Brillouin Scattering Analysis

Published on: December 22, 2015

Ultraviolet conical diffraction: a near-stigmatic tandem grating mounting spectrometer.

P Lemaire

    Applied Optics
    |June 29, 2010
    PubMed
    Summary

    A new tandem conical diffraction mount enhances spectral resolution and image quality for ultraviolet spectroscopy. This design minimizes slit rotation, improving performance in solar telescope-spectrometer instrumentation.

    Area of Science:

    • Optics and Spectroscopy
    • Solar Physics Instrumentation

    Background:

    • Conical diffraction gratings offer potential in UV and extreme UV spectroscopy.
    • Existing mounts have limitations in spectral resolution and image stability.

    Purpose of the Study:

    • To introduce a tandem conical diffraction mount.
    • To improve spectral resolution and minimize monochromatic slit image rotation.

    Main Methods:

    • Proposed a tandem conical diffraction mount design.
    • Evaluated performance using a solar telescope-spectrometer example.
    • Compared spectral and angular resolution to existing instruments.

    Main Results:

    • The tandem mount significantly improves spectral resolution (2 pm).

    More Related Videos

    Fabrication of High Contrast Gratings for the Spectrum Splitting Dispersive Element in a Concentrated Photovoltaic System
    12:08

    Fabrication of High Contrast Gratings for the Spectrum Splitting Dispersive Element in a Concentrated Photovoltaic System

    Published on: July 18, 2015

    Related Experiment Videos

    Last Updated: Jun 11, 2026

    High Speed Sub-GHz Spectrometer for Brillouin Scattering Analysis
    13:31

    High Speed Sub-GHz Spectrometer for Brillouin Scattering Analysis

    Published on: December 22, 2015

    Fabrication of High Contrast Gratings for the Spectrum Splitting Dispersive Element in a Concentrated Photovoltaic System
    12:08

    Fabrication of High Contrast Gratings for the Spectrum Splitting Dispersive Element in a Concentrated Photovoltaic System

    Published on: July 18, 2015

  • Monochromatic slit image rotation is nearly eliminated.
  • Spectral image quality is enhanced.

    • Conclusions:

    • The tandem conical diffraction mount offers superior spectral and angular resolution for UV spectroscopy.
    • This design is advantageous for solar telescope-spectrometer applications.
    • Lower efficiency is a noted limitation.